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barrel vault

noun, Architecture.
a vault having the form of a very deep arch.
Also called barrel roof, cradle vault, tunnel vault, wagon roof, wagon vault.
Origin of barrel vault
First recorded in 1840-50
Related forms
barrel-vaulted, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for barrel vault

barrel vault

(architect) a vault in the form of a half cylinder Also called wagon vault, tunnel vault
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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